Answered: Consider an adult of 70.0 kg mass and…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Consider an adult of 70.0 kg mass and 1.95 m tall sitting on the floor, with arms crossed and legs extended as illustrated in the figure. It is not very easy to stay in this pose for a long time. The figure shows a sagittal section (dashed line) and the attached table provides the x and y coordinates of the center of gravity of some segments, as well as the respective masses. The center of gravity of the head and arms crossed with the neck and trunk are aligned vertically to the paramedial line (vertical axis) at a distance of 81.0 cm from the plantar part of the foot.

YA
81 cm
Coordinates of C.G.
Parts of body
x (ст)
у (ст)
Mass (kg)
Head
10.0
77.5
4.8
Neck-trunk-crossed arms
10.0
36.0
41.1
10.0
Thigh (both)
Leg (both)
Feet (both)
19.0
15.0
60.0
10.0
6.7
88.0
10.0
2.4

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